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SX118-W | Martin Audio Professional Audio & Lighting Equipment

Professional audio, video and lighting solution by Martin Audio - Available throughout the Middle East

18" Passive Direct Radiating Subwoofer
Martin Audio

The SX118 is a compact, high performance subwoofer that extends the low frequency operating range of the system to 47Hz and provides exceptional low frequency output for such a compact enclosure.


SX118-W - Professional Audio & Lighting Equipment Description

Detailed information about the SX118-W by Martin Audio


Technical Overview

SX118 features a long-excursion 18” (460mm)/4” (100 mm) voice coil driver with a water-resistant cone and triple roll surround in a compact reflex enclosure. The design of the 18” driver maximises output while minimising power compression and distortion, and the four reflex ports have a large front


SX118-W Technical Specifications

Complete technical specifications and documentation for the SX118-W by Martin Audio

Technical Drawing
Technical drawing for SX118-W
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Product Specifications
Name Value
TYPE Compact, direct radiating subwoofer
FREQUENCY RESPONSE (1) 47Hz – 150Hz ±3dB, -10dB @ 41Hz
DRIVER 18” (460mm)/4” (100mm) voice coil, long excursion, ferrite magnet, waterproof cone
RATED POWER (2) 1000W AES, 4000W peak
SENSITIVITY (10) 102dB
MAXIMUM SPL (9) 138dB peak
NOMINAL IMPEDANCE
DISPERSION (-6dB) Omnidirectional/or Cardioid (paired)
ENCLOSURE Multi-laminate birch/poplar ply
FINISH Durable Polyurea Coating
PROTECTIVE GRILLE Black perforated Zintec
CONNECTORS 2 x NL4 type
PIN CONNECTIONS (INPUT) LF: +1, -1 Link through: +2, -2
PINS CONNECTIONS (LINK) LF: +1, -1 Link through: +2, -2
FITTINGS Two skids on base, with mating channels on top M20 top-mounted thread plate for pole mounting 16 x M10 mounting points 2 x bar handles, 1 on each side 4 x fittings for optional transit cover 16 x M8 inserts for optional castors
DIMENSIONS (INCL SKIDS) (W) 600mm x (H) 509mm x (D) 632mm (760mm including castors) (W) 24in x (H) 20.36in x (D) 25.26in (30.38in including castors)
WEIGHT 43.5kg (96lbs) w/o castors 47kg (104lbs) with castors

SX118-W Downloads & Documentation

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SX118-W Compatible Accessories

Professional accessories and add-ons compatible with the SX118-W by Martin Audio


Professional Projects Using SX118-W

Real-world implementations and case studies featuring the SX118-W by Martin Audio in professional installations across the Middle East